Adding PCE console specific layer on top of that, makes for an interesting challenge (no, not a reference to Ys II).
I dunno, I like Cadash as a HuCard. Maybe if it was a longer game I'd prefer it on CD.
When the game ends, and you're brought to the title screen, hold I + II + Down, then press Run
Did you play past the first "level"? I think it continues you at the last inn, meaning you have to have visited or moved past one. I seem to remember having trouble with the code, but then ultimately getting it to work. It's been a while, though.